Idan kuna da matsalar ji ko magana, kuna iya sadarwa ta wayar tarho ta amfani da Teletype (TTY) ko kuma ainihin-lokacin rubutu (RTT) — ƙa'idodin da ke aika rubutu yayin da kuke bugawa kuma ba da damar mai karɓa ya karanta saƙon nan da nan. RTT babbar yarjejeniya ce wacce ke watsa sauti yayin da kake buga rubutu. (Wasu dillalai ne kawai ke tallafawa TTY da RTT.)
iPhone yana samarda ginanniyar Software RTT da TTY daga aikace-aikacen Waya-baya buƙatar ƙarin na'urori. Idan kun kunna Software RTT / TTY, iPhone ya sabawa yarjejeniyar RTT duk lokacin da mai jigilar ke tallafawa.
iPhone kuma yana tallafawa Hardware TTY, don haka zaka iya haɗa iPhone zuwa na'urar TTY ta waje tare da Adaftan TTY na iPhone (wanda aka sayar daban a yankuna da yawa).
Saita RTT ko TTY. Je zuwa Saituna> Gaba ɗaya> Samun dama> RTT/TTY ko Saituna> Gaba ɗaya> Samun dama> TTY, inda zaku iya:
- Kunna Software RTT / TTY ko Software TTY.
- Kunna Hardware TTY.
- Shigar da lambar waya don amfani da kira na relay tare da Software TTY.
- Zaɓi don aika kowane harafi yayin da kuke bugawa ko shigar da duk saƙon kafin aika.
- Kunna Amsa Duk Kira azaman TTY.
Lokacin da aka kunna RTT ko TTY, 
yana bayyana a ma'aunin yanayi a saman allo.
Haɗa iPhone zuwa na'urar TTY na waje. Idan kun kunna Hardware TTY a cikin Saituna, haɗa iPhone zuwa na'urar TTY ta amfani da Adaftan iPhone TTY. Idan TTY Software kuma an kunna, kira mai shigowa tsoho ne zuwa Hardware TTY. Don bayani game da amfani da wata na'urar TTY, duba takaddun da suka zo tare da ita.
Fara kiran RTT ko TTY. A cikin aikace-aikacen waya, zaɓi lamba, sannan danna lambar wayar. Zaɓi Kiran RTT/TTY ko RTT/TTY Relay Call, jira kiran ya haɗa, sannan danna RTT/TTY. IPhone ya sabawa ka'idar RTT a duk lokacin da mai ɗauka ya sami goyan bayan ta.
Lokacin yin kiran gaggawa a Amurka, iPhone yana aika jerin sautunan TDD don faɗakar da mai aiki. Ikon mai aiki don karɓa ko amsawa ga TDD na iya bambanta dangane da wurin da kuke. Apple baya bada garantin cewa mai aiki zai iya karɓa ko amsa kiran RTT ko TTY.
Idan baku kunna RTT ba kuma kun karɓi kiran RTT mai shigowa, matsa maballin RTT don amsa kira tare da RTT.
Buga rubutu yayin kiran RTT ko TTY. Shigar da saƙon ku a filin rubutu. Idan kun kunna Aika Nan da nan a cikin Saituna, mai karɓar ku yana ganin kowane hali yayin da kuke bugawa. In ba haka ba, matsa 
don aika sakon. Don kuma watsa sauti, matsa 
.
Review kwafin kiran RTT ko TTY Software. A cikin aikace-aikacen waya, matsa Kwanan baya, sannan danna 
kusa da kiran da kuke son gani. Kiran RTT da TTY suna da kusa da su.
Lura: Ba a samo fasalin ci gaba don tallafin RTT da TTY. Matsakaicin ƙimar kiran murya ana amfani da duka Software RTT / TTY da Kayan aikin TTY na Kayan aiki.
